One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,7,8,6)(9,10)(11,13)(12,14)(15,16)(17,18,23,35,22,28,21,27)(19,24,36,46,31,40,30,39)(20,26,32,25,34,41,33,42)(29,38,43,37,45,47,44,48)(1,3)(2,6)(4,7)(5,8)(9,10)(11,15)(12,14)(13,16)(17,19,22,31)(18,24,28,40)(20,29,34,45)(21,30,23,36)(25,37,42,48)(26,38,41,47)(27,39,35,46)(32,43,33,44)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,20)(18,25)(19,29)(21,32)(22,34)(23,33)(24,37)(26,35)(27,41)(28,42)(30,43)(31,45)(36,44)(38,46)(39,47)(40,48)(1,2,5,4)(3,7,8,6)(11,16)(13,15)(17,20)(18,26)(19,29)(21,33)(22,34)(23,32)(24,38)(25,35)(27,42)(28,41)(30,44)(31,45)(36,43)(37,46)(39,48)(40,47)(1,4,5,2)(3,7,8,6)(10,14)(13,15)(17,21,22,23)(18,27,28,35)(19,30,31,36)(20,32,34,33)(24,39,40,46)(25,41,42,26)(29,43,45,44)(37,47,48,38)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.